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Kazuhisa Ukai
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Kyoto, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Non-volatile storage device
Patent number
11,923,017
Issue date
Mar 5, 2024
Rohm Co., Ltd.
Kazuhisa Ukai
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory apparatus
Patent number
10,818,355
Issue date
Oct 27, 2020
Rohm Co., Ltd.
Takaaki Fuchikami
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor storage device with cell transistors
Patent number
10,700,076
Issue date
Jun 30, 2020
Rohm Co., Ltd.
Kazuhisa Ukai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nonvolatile semiconductor storage device
Patent number
10,381,082
Issue date
Aug 13, 2019
Rohm Co., Ltd.
Tsuyoshi Okamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor memory device
Patent number
9,741,397
Issue date
Aug 22, 2017
Rohm Co., Ltd.
Kazuhisa Ukai
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device including a dummy block
Patent number
9,001,562
Issue date
Apr 7, 2015
Rohm Co., Ltd.
Kazuhisa Ukai
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
MEMORY CIRCUIT AND IC CHIP
Publication number
20240331773
Publication date
Oct 3, 2024
Rohm Co., Ltd.
Takashige HAMA
G11 - INFORMATION STORAGE
Information
Patent Application
RAM AND SHORT-CIRCUIT DETECTION SYSTEM
Publication number
20240120017
Publication date
Apr 11, 2024
Rohm Co., Ltd.
Kosuke Ijigawa
G11 - INFORMATION STORAGE
Information
Patent Application
NON-VOLATILE STORAGE DEVICE
Publication number
20220246223
Publication date
Aug 4, 2022
Rohm Co., Ltd.
Kazuhisa Ukai
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR MEMORY APPARATUS
Publication number
20190341109
Publication date
Nov 7, 2019
Rohm Co., Ltd.
TAKAAKI FUCHIKAMI
G11 - INFORMATION STORAGE
Information
Patent Application
NONVOLATILE SEMICONDUCTOR STORAGE DEVICE
Publication number
20190131311
Publication date
May 2, 2019
Rohm Co., Ltd.
KAZUHISA UKAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONVOLATILE SEMICONDUCTOR STORAGE DEVICE
Publication number
20180315480
Publication date
Nov 1, 2018
Rohm Co., Ltd.
Tsuyoshi OKAMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE
Publication number
20150170713
Publication date
Jun 18, 2015
Rohm Co., Ltd.
Kazuhisa Ukai
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE
Publication number
20120201071
Publication date
Aug 9, 2012
Rohm Co., Ltd.
Kazuhisa Ukai
G11 - INFORMATION STORAGE